Across
- 2. a group of lands and peoples ruled by one ruler
- 4. holding people against their will and forcing them to work
- 5. thick sheets of ice
- 7. a culture with organized system of government, religion, and learning
- 10. a possible explanation
- 11. payment demanded by rulers from the people they rule
- 12. a long period without rain
- 14. to only do one kind of job
- 15. an object someone made in the past
Down
- 1. a high flat landform
- 3. building shaped like a triangle
- 4. more than is needed
- 6. movement of people to another land
- 8. one who studies the artifacts of people
- 9. Age a long period of extreme cold
- 13. activity done for a special purpose or event